Finding the Fourth Proportional to 122,588.93, 169,163.51 and 68,863.46
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Solution
The fourth proportional to 122,588.93, 169,163.51 and 68,863.46 is: 95,026.39
Step by Step Solution
- Step 1: Write the proportion equation
122,588.93 : 169,163.51 = 68,863.46 : x - Step 2: Convert to fraction form
122,588.93/169,163.51 = 68,863.46/x - Step 3: Cross multiply
122,588.93x = 169,163.51 × 68,863.46 - Step 4: Simplify right side
122,588.93x = 11,649,183,414.21 - Step 5: Solve for x
x = 11,649,183,414.21/122,588.93 - Step 6: Final answer
x = 95,026.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.